UNS HS-21
2014-01-06 15:29:12 Print this pageThe high quality USA UNS HS-21 material is one of the more steel grades we supply, UNS SAE J 467 (1968),Special Purpose Alloys ("Superalloys"). HS-21 is our main production grade, which has been approved by customers in many countries since its initial production, including our HS-21 round bars, flat bar, forgings, fasteners, tubes, wires, strips, sheets & Plates, as well as a variety of profiles, professional high precision auto-lathe processing manufacturer of clinching fasteners, axes, standoffs, screws, studs, nuts, bolt, OEM parts and special shaped turning partsthe state of delivery includes quenched and tempered, annealed, machined semi-finished products, we also have strict management of the packaging, to avoid material damage from transportation. We are the best supplier of HS-21 materials, and we are willing to develop together with customers from all over the world.
Also includes HS-21 steel material norm, chemical composition, mechanical properties, datasheet, HS-21 equivalent, heat treatment and temperature process of HS-21, The peak hardness can be achieved, Contains all of the specification, welding properties, let us in HS-21 this steel grade have a more comprehensive understanding, Download the full HS-21 PDF version of this datasheet.
Chemical composition (wt.%) of HS-21
| Elements | Min.（≥） | Max.（≤） |
|---|---|---|
| C | - | 0.25 |
| Si | - | - |
| Mn | - | - |
| Ni | - | 2.50 |
| Cr | - | 27.00 |
| Al | - | - |
| Cu | - | - |
| Ti | - | - |
| Fe | - | 1.75 |
| Mo | - | 5.50 |
| Co | - | remaining |
| B | - | 0.007 |
Mechanical Properties of HS-21
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 755 (≥) | 656 (≥) | 31 | 34 | 43 | Solution & Aging, Ann, Ausaging, Q+T | 213 |